Home / 85,766.44-118,415.52-53,550.16

Finding the Fourth Proportional to 85,766.44, 118,415.52 and 53,550.16

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Solution

The fourth proportional to 85,766.44, 118,415.52 and 53,550.16 is: 73,935.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766.44 : 118,415.52 = 53,550.16 : x
  2. Step 2: Convert to fraction form
    85,766.44/118,415.52 = 53,550.16/x
  3. Step 3: Cross multiply
    85,766.44x = 118,415.52 × 53,550.16
  4. Step 4: Simplify right side
    85,766.44x = 6,341,170,042.48
  5. Step 5: Solve for x
    x = 6,341,170,042.48/85,766.44
  6. Step 6: Final answer
    x = 73,935.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.